What Jobs are available for Senior Developers in the United Kingdom?

SC Cleared Saleforce Developers and Architects

Location: Fully remote

Duration: 6 Months +

Rates: Open - market rate

The company:
You will join a blue chip, global IT Consultancy, with a growing Salesforce practice.

The roles:

They are looking for a number of roles. They do require candidates who hold current, active SC Clearance.

• Salesforce Architect
• Salesforce Technical Lead
• Salesforce Senior Developer
• Salesforce Advanced Developer
• Salesforce Confirmed Developer
• Salesforce Junior Developer

If you are SC Cleared and looking to for a new SalesForce contract apply now.

SC Cleared Saleforce Developers and Architects

Location: Fully remote

Duration: 6 Months +

Rates: Open - market rate

The company:
You will join a blue chip, global IT Consultancy, with a growing Salesforce practice.

The roles:

They are looking for a number of roles. They do require candidates who hold current, active SC Clearance.

• Salesforce Architect
• Salesforce Technical Lead
• Salesforce Senior Developer
• Salesforce Advanced Developer
• Salesforce Confirmed Developer
• Salesforce Junior Developer

If you are SC Cleared and looking to for a new SalesForce contract apply now.

Are you an experienced AI/ML Developer seeking new and exciting opportunities? While we may not have an immediate vacancy, we’re always on the lookout for talented individuals to join our Talent Pool.

Who We Are
GSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious journey to impact the health of 2.5 billion people over the next decade. Our R&D division is at the forefront of this mission, dedicated to the discovery and development of groundbreaking vaccines and medicines. We are transforming the landscape of medical research by integrating cutting-edge science and technology and harnessing the power of genetics and new data. By fostering a collaborative environment that unites the talents of our people, we are revolutionizing R&D to pre-empt and defeat diseases. Join us in our commitment to uniting science, technology, and talent to get ahead of disease together.

What We’re Looking For

We want to connect with AI/ML Developers who demonstrate expertise in a broad range of core skills and experience, including but not limited to:

• Experience conducting user research for software or AI applications.
• Solid understanding of generative AI and large language models.
• Strong programming skills, including testing and debugging.
• Familiarity with agile development practices and modern software tools (e.g., Git/GitHub).
• Experience deploying AI/ML-powered applications.
• Knowledge of AI/ML evaluation techniques, including safety and robustness testing.
• Familiarity with benchmarking and performance evaluation of ML models.
• Degree in a quantitative or engineering discipline (e.g., Computer Science, Engineering, Bioinformatics) or equivalent professional experience.

What You Might Be Doing

As a AI/ML Developer at GSK, you could get involved with:

• Designing and implementing safety metrics for generative AI applications, especially those involving language models.
• Conducting user research to identify risks, failure modes, and usability challenges in AI-powered systems.
• Integrating AI/ML components with frontend, backend, data pipelines, and compute infrastructure.
• Writing high-quality, maintainable code and participating in peer code reviews.
• Collaborating with data engineers and cross-functional teams to build end-to-end ML pipelines.
• Delivering insights from generative AI datasets using ML and data analysis techniques.
• Supporting the deployment and monitoring of AI/ML models in production environments.

Why Join Our Talent Pool?

• Be the first to hear about new AI/ML Developer roles as soon as they go live.
• Gain access to exclusive insights about GSK’s roles, projects and company culture.
• Receive updates on training, development opportunities, and industry trends.

How to Join
If you’re passionate about AI/ML and ready to explore future career opportunities with GSK, please submit your details using the application form below. We’ll keep your details on file and reach out as soon as roles become available.

Inclusion at GSK

GSK is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive equal consideration for employment without regard to race, color, national origin, religion, sex, pregnancy, marital status, sexual orientation, gender identity/expression, age, disability, genetic information, military service, covered/protected veteran status or any other federal, state or local protected class.

If you need any adjustments in the recruitment process, please get in touch with our Recruitment team ( ) to further discuss this today.

Important notice to employment businesses/agencies

GSK does not accept referrals from employment businesses and/or employment agencies in respect of the vacancies posted on this site. All employment businesses/agencies are required to contact GSK's commercial and general procurement/human resources department to obtain prior written authorization before referring any candidates to GSK. The obtaining of prior written authorization is a condition precedent to any agreement (verbal or written) between the employment business/ agency and GSK. In the absence of such written authorization being obtained any actions undertaken by the employment business/agency shall be deemed to have been performed without the consent or contractual agreement of GSK. GSK shall therefore not be liable for any fees arising from such actions or any fees arising from any referrals by employment businesses/agencies in respect of the vacancies posted on this site.

Please note that if you are a US Licensed Healthcare Professional or Healthcare Professional as defined by the laws of the state issuing your license, GSK may be required to capture and report expenses GSK incurs, on your behalf, in the event you are afforded an interview for employment. This capture of applicable transfers of value is necessary to ensure GSK’s compliance to all federal and state US Transparency requirements. For more information, please visit GSK’s Transparency Reporting For the Record site.

My world-class client are looking the very best PHP Engineers to join their Technology team.

If you're looking to work on Enterprise-scale web application development (including a lot of new development/new features!) for a hugely reputable business with one of the largest PHP outfits in the country.

Look no further.

This is your chance to join with a constantly evolving national brand at what couldn't be a busier and more exciting time for them. They're a hugely successful business with a large, established IT outfit - It's a fast paced environment and one where requirements can change at a moments notice. So it's important that this is the type of environment that you thrive in! They work with a "fail fast" approach where they are always open to trying new things and explore better ways of working. It's a mega opportunity to join and make a difference!

They have a large, yet incredibly Agile team of some of the very best PHP Engineers in the country - with dozens of projects on the horizon. We're looking for multiple Engineers to join them.

Technically, you'll be able to write clean, functional object oriented PHP code and have exposure to PHP7 or PHP8 systems. Their framework of choice is Symfony (version 4/5) so this is our preference in regards to your exposure, however we will consider candidates who are well versed with another MVC framework (Laravel, CodeIgniter, CakePHP etc) They also use MySQL v8 as a database.

I'd also love you to have a full-stack approach with a good handle on the front-end - Solid JavaScript, HTML, CSS and ideally TypeScript, too.

This is a chance to rub shoulders with some of the most talented PHP Engineers and wider techies in the UK. Whilst hiring for these new developers, it isn't necessarily about "how much" experience you can bring to the table. but more about having the right attitude, aptitude to pick up the tech and about finding developers who "do things the right way"! I'm looking for the type of Developer who keeps up to date with all the latest advances in the tech world and brings new ideas to the table. This is an environment where your voice will be heard and valued.

What I love about this company, is how the invest in their employees. You'll be given a personal progression plan from day one, with quarterly one-to-ones with your hiring manager to discuss your development and potential for growth.

If you have a thirst for learning - personal development is massively encouraged and supported within the business- they have their very own IT training team and a huge range of online materials in all things tech!

I'm hiring across all levels with a salary range of up to 45,000 plus substantial bonus and exceptional benefits. You can work remotely with a weekly trip to HQ - or maybe once a fortnight depending on where you live?

Contact me immediately for consideration - (url removed) or (phone number removed),

Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law.

Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers.

By applying for this role your details will be submitted to Modis International Ltd and/ or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website.

My world-class client are looking the very best PHP Engineers to join their Technology team.

If you're looking to work on Enterprise-scale web application development (including a lot of new development/new features!) for a hugely reputable business with one of the largest PHP outfits in the country.

Look no further.

This is your chance to join with a constantly evolving national brand at what couldn't be a busier and more exciting time for them. They're a hugely successful business with a large, established IT outfit - It's a fast paced environment and one where requirements can change at a moments notice. So it's important that this is the type of environment that you thrive in! They work with a "fail fast" approach where they are always open to trying new things and explore better ways of working. It's a mega opportunity to join and make a difference!

They have a large, yet incredibly Agile team of some of the very best PHP Engineers in the country - with dozens of projects on the horizon. We're looking for multiple Engineers to join them.

Technically, you'll be able to write clean, functional object oriented PHP code and have exposure to PHP7 or PHP8 systems. Their framework of choice is Symfony (version 4/5) so this is our preference in regards to your exposure, however we will consider candidates who are well versed with another MVC framework (Laravel, CodeIgniter, CakePHP etc) They also use MySQL v8 as a database.

I'd also love you to have a full-stack approach with a good handle on the front-end - Solid JavaScript, HTML, CSS and ideally TypeScript, too.

This is a chance to rub shoulders with some of the most talented PHP Engineers and wider techies in the UK. Whilst hiring for these new developers, it isn't necessarily about "how much" experience you can bring to the table. but more about having the right attitude, aptitude to pick up the tech and about finding developers who "do things the right way"! I'm looking for the type of Developer who keeps up to date with all the latest advances in the tech world and brings new ideas to the table. This is an environment where your voice will be heard and valued.

What I love about this company, is how the invest in their employees. You'll be given a personal progression plan from day one, with quarterly one-to-ones with your hiring manager to discuss your development and potential for growth.

If you have a thirst for learning - personal development is massively encouraged and supported within the business- they have their very own IT training team and a huge range of online materials in all things tech!

I'm hiring across all levels with a salary range of up to 45,000 plus substantial bonus and exceptional benefits. You can work remotely with a weekly trip to HQ - or maybe once a fortnight depending on where you live?

Contact me immediately for consideration - (url removed) or (phone number removed),

Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law.

Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers.

By applying for this role your details will be submitted to Modis International Ltd and/ or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website.

Position Title:

Software Engineer Developer

Location:

Hybrid Working - 2 days in office per week

Office can be based in either Central London, Manchester, Peterborough

Job Summary

The Software Engineer Application Developer supports business solutions. The purpose of this role is to develop business software solutions for complex and large-scale projects through object and data modelling, database design, programming, quality assurance, and implementation support. The Sr Software Eng II Application Developer participates in application standards development and serves as an evangelist for best practices.

What you will do

• Perform all stages of the software development life cycle, self-manage activities on smaller projects and serve as technical lead on small, medium and large projects.
• Determine operating requirements, costs, as well as resource needs for assigned projects and work in conjunction with a project manager on initiatives.
• Co-lead with Project Manager employing object-oriented analysis and design techniques including use case analysis, object modelling, and database schema design to ensure business requirements and design goals are met.
• Participate in application architecture planning (including system partitioning and framework design) to determine optimal solution architecture, efficiency, maintainability, and scalability
• Lead / develop: High-level system narratives, storyboards, and user interface prototypes.
• Lead / develop: Detailed design specifications for hardware and software use by the technical team.
• Lead / develop: System test plans, ensure software quality assurance (SQA) standards are achieved, and validate that business goals are accomplished.
• Lead / develop: Detailed estimates for projects, including resource allocation, timelines, and budget.
• Develop applications to CDW coding standards and quality.
• Identify issues that require more attention, and work to resolve issues based on an understanding of the business problem being solved.
• Make technical decisions to meet the design goals laid out in product road map and by management
• Coach, mentor and monitor progress of jr. members, mentor & coach
• Draw appropriate resources together to address technical issues.
• Direct and focus the efforts of the technical project team.
• Complete projects/tasks on a timely basis, according to commitments made to stakeholders and management.
• Report project/task status to the management.
• Collaborate with business and project teams to gather requirements and business needs.
• Make technical decisions to meet the design goals laid out in product road map and by management.
• Identify issues that require more attention, and work to resolve issues based on an understanding of the business problem being solved.
• Draw appropriate resources together to address technical issues.
• Direct and focus the efforts of the technical project team.
• Monitor progress of project teams.
• Mentor and coach junior team members.
• Complete projects/tasks on a timely basis, according to commitments made to stakeholders and management. Report project/task status to the management.
• Step in as team member throughout the software development process as needed

What we expect of you

Minimum basic requirements

• 7 years in application development
• Bachelor’s degree or equivalent practical experience.
• Microsoft Navision (Business Central) - 5 or more years’ full time development experience specifically working with the NAV C/SIDE C/AL development language
• Dynamics 365 – 3 or more years’ full time development experience specifically working with the BC and AL development language Configuration, PowerApps, Power Automate, and Common Data Service (CDS).
• Database Management – SQL Server, Azure SQL, Data Modelling, MongoDB
• Web Technologies – REST APIs, SOAP, JSON, XML.
• Experience of high-volume transactional systems demanding efficient code
• Experience of systems integrations
• Ability to document code in compliance with company standards and practices
• Ability to debug errors efficiently and effectively
• Capable of managing multiple assignments simultaneously
• Enthusiasm for testing their own code before delivering it
• Enjoy working as part of a close multi-skilled team
• Excellent organisational and time management skills

Preferred skills, experience, and qualities needed

• 5 years of experience in software development as a Software Engineer in NAV2009 working with the NAV C/SIDE C/AL development language.
• 3 or more years’ full time development experience specifically working with the BC and AL development language Configuration, PowerApps, Power Automate, and Common Data Service (CDS).
• Certifications in Dynamics 365, Salesforce, Workday, PeopleSoft, Azure, or Informatica are a plus.
• Experience with Agile methodologies and DevOps practices is beneficial

Software Engineer / Software Development Engineer (Backend) – High-Tech Engineering company | Bristol

Location:  Bristol / Hybrid (3 days pw onsite)

ARCA Resourcing is proud to be partnering with a cutting-edge engineering company that is redefining real-time simulation technology. Their proprietary systems are raising the bar in dynamic performance across sectors including automotive, motorsport, and beyond.

We are looking for a Software Development Engineer  who is eager to grow their career in a hands-on, technically challenging environment. You’ll contribute to software that drives real-world systems, including motion platforms and simulation technology. This is an opportunity to work on truly unique technology with real-world impact.

The Role:

As a Software Engineer, you will:

• Develop and maintain software across platforms including Windows, Linux, web technologies, and real-time controllers.
• Deliver new features and fix issues across a range of new and existing software products.
• Write clean, maintainable code and contribute to robust documentation and specifications.
• Collaborate with multidisciplinary teams to capture user requirements and translate them into working solutions.
• Improve software development workflows, tools, and automation practices.
• Participate in code reviews and champion best practices.

What We’re Looking For:

We’d love to hear from you if you have:

• 2–3 years' experience programming in high-level languages (e.g. Python, C++, C#, Java, TypeScript) – gained professionally, academically, or through relevant personal projects.
• An interest in areas such as graphics, user experience, and cross-platform development.
• Familiarity with tools such as Git and Jira.
• Exposure to or curiosity about modern DevOps practices (e.g. containerisation, cloud, CI/CD).
• A passion for software quality and maintainability.
• A growth mindset – open to learning new languages, platforms, and techniques.
• Strong communication skills and the ability to collaborate with technical and non-technical stakeholders.
• A strong understanding of software engineering fundamentals, data structures, and algorithmic problem solving.
• Curiosity about cross-platform development, real-time systems, or high-performance computing.
• Strong collaboration and communication skills, with the ability to work effectively in small, multidisciplinary teams.

What’s in it for you:

• Join a growing company working on world-leading motion systems.
• Get hands-on with real-time systems and software used by high-profile clients.
• Work on meaningful projects with real physical output – your code will move machines.
• Be part of a small, focused team where your contributions truly matter.
• Enjoy a supportive, technically curious environment that values quality and innovation.

What’s in it for you:

• Work on world-class real-time simulation systems  with real-world impact.
• Get hands-on experience with real-time software, containerized environments, and cloud platforms .
• Join a small, highly skilled team where your contributions are visible and valued.
• Opportunities for professional development and exposure to cutting-edge engineering projects.
• Be part of an innovative, technically curious culture that encourages experimentation and quality software practices.

If you are ready to work on exciting, high-impact projects where your code truly moves machines, apply now via the link below to join this fast-growing team!

Software Engineer / Software Development Engineer (Backend) – High-Tech Engineering company | Bristol

Location:  Bristol / Hybrid (3 days pw onsite)

ARCA Resourcing is proud to be partnering with a cutting-edge engineering company that is redefining real-time simulation technology. Their proprietary systems are raising the bar in dynamic performance across sectors including automotive, motorsport, and beyond.

We are looking for a Software Development Engineer  who is eager to grow their career in a hands-on, technically challenging environment. You’ll contribute to software that drives real-world systems, including motion platforms and simulation technology. This is an opportunity to work on truly unique technology with real-world impact.

The Role:

As a Software Engineer, you will:

• Develop and maintain software across platforms including Windows, Linux, web technologies, and real-time controllers.
• Deliver new features and fix issues across a range of new and existing software products.
• Write clean, maintainable code and contribute to robust documentation and specifications.
• Collaborate with multidisciplinary teams to capture user requirements and translate them into working solutions.
• Improve software development workflows, tools, and automation practices.
• Participate in code reviews and champion best practices.

What We’re Looking For:

We’d love to hear from you if you have:

• 2–3 years' experience programming in high-level languages (e.g. Python, C++, C#, Java, TypeScript) – gained professionally, academically, or through relevant personal projects.
• An interest in areas such as graphics, user experience, and cross-platform development.
• Familiarity with tools such as Git and Jira.
• Exposure to or curiosity about modern DevOps practices (e.g. containerisation, cloud, CI/CD).
• A passion for software quality and maintainability.
• A growth mindset – open to learning new languages, platforms, and techniques.
• Strong communication skills and the ability to collaborate with technical and non-technical stakeholders.
• A strong understanding of software engineering fundamentals, data structures, and algorithmic problem solving.
• Curiosity about cross-platform development, real-time systems, or high-performance computing.
• Strong collaboration and communication skills, with the ability to work effectively in small, multidisciplinary teams.

What’s in it for you:

• Join a growing company working on world-leading motion systems.
• Get hands-on with real-time systems and software used by high-profile clients.
• Work on meaningful projects with real physical output – your code will move machines.
• Be part of a small, focused team where your contributions truly matter.
• Enjoy a supportive, technically curious environment that values quality and innovation.

What’s in it for you:

• Work on world-class real-time simulation systems  with real-world impact.
• Get hands-on experience with real-time software, containerized environments, and cloud platforms .
• Join a small, highly skilled team where your contributions are visible and valued.
• Opportunities for professional development and exposure to cutting-edge engineering projects.
• Be part of an innovative, technically curious culture that encourages experimentation and quality software practices.

If you are ready to work on exciting, high-impact projects where your code truly moves machines, apply now via the link below to join this fast-growing team!

• Competitive salary 
• Flexible working 
• 25 days annual leave - which increase in years of service
• Life insurance
• Pension
• Paid charity work days
• Healthcare Cash plan
• . and much more.

• If you are a proven technical leader looking to remain hands on and ship code whilst making key architectural decisions, driving the roadmap, and contributing to building a high performing dev culture . the Principal role is ideal.
• Or, if you are an experienced Software Engineer with many years of building high performance, safety-critical C++ based software, looking to join an exciting new team . the Senior role could be your dream position.
• You will be part of a cutting-edge company at the forefront of healthcare technology.
• Contribute to a high-performance culture by maintaining rigorous development standards and documentation.
• As a Software Engineer, you will be instrumental in designing, and developing complex software systems within a regulated medical technology environment.
• These positions are ideal for seasoned engineers who thrive in collaborative cross-functional development.

• Vast software development experience in C++ 
• Strong background in multi-threaded programming and Linux-based development environments.
• Experience with Qt/QML or other modern UI frameworks is highly advantageous.
• Familiarity with regulated industries (medical, aerospace, defence, etc.) is preferred.
• Experience working with international teams across time zones is a plus.
• Excellent communication skills.